Today, our smartphones are practically an extension of our bodies, and although we sometimes find it hard to admit, they're an open window into our private lives. Between private chats, banking information, and personal photos, it's essential to know how to secure access to our apps so that no one can pry into our digital lives.
Whether you want to prevent the kids from messing with the system settings, lend your phone to a friend and don't want them reading your messages, or simply because you're easily distracted and need to improve your productivity , there are countless ways to restrict app usage. In this article, we'll tell you about all the tricks and tools available for Android and iOS.
Native methods to block apps on Android

Not all Android phones are the same, as each brand adds its own customization layers. Luckily, many manufacturers already include built-in security features that save you from having to install third-party programs.
- Xiaomi devices: In the MIUI interface, you can go directly to the applications menu and activate the app lock using a PIN, pattern, or fingerprint.
- Samsung Mobiles: These feature the famous Secure Folder, an encrypted space where you can move the apps and files you want to protect with a robust authentication method.
- Huawei and Honor: Through EMUI, you can access the privacy or security section and configure the app lock selecting those that you consider sensitive.
In addition, there are very popular applications like WhatsApp or Telegram that do not need the operating system, since they offer their own biometric lock in their privacy settings, allowing you to lock WhatsApp with your fingerprint to choose whether you want the app to close instantly or after a few minutes of inactivity.
How to restrict access on iPhone (iOS)

Apple has been evolving in this area. If you're lucky enough to have iOS 18 , the process is a breeze: simply press and hold the app on your home screen and choose the option to require Face ID so that no one can access it without your permission.
If you're still using iOS 17 or earlier, things get complicated because there's no direct button. The trick here is to use the Screen Time feature . You can set a one-minute limit for the apps you want to block, and once that time has passed, the system will ask for a passcode to allow you to continue using them, thus functioning as an indirect blocking method.
Security apps for total control

If your phone is a basic model or you're not satisfied with the factory options, there are some very powerful third-party tools available. One of the most notable is AppLock by DoMobile Lab , which allows you to not only block access but also lock your gallery with a PIN to protect your photos and videos in a secure vault.
Other interesting options include InShot App Lock or AppLock-Fingerprint. These tools often offer extra features such as intruder selfie , which takes a picture of anyone trying to log in with the wrong password, or icon camouflage , which makes the lock app look like a calculator or weather app to avoid raising suspicion.
Blockers to avoid distractions and improve focus

Sometimes the enemy isn't someone external, but our own lack of willpower. For those who suffer from constant notifications, there are productivity blockers , designed to prevent you from accessing social media while you work.
- Freedom: It's a multiplatform beast that lets you create website and app blocklists, scheduling deep concentration sessions.
- Stay Focused: Ideal for those who need a firm hand, as it includes a strict mode which prevents uninstalling the app or changing the settings while the lock is active.
- Block Apps and Lock Me Out: They focus on restricting access through timers and write modes that They prevent us from revoking the permits easily from the system.
- HelpMEFocus and AppBlock: These tools are amazing because they allow us to another person creates the password, forcing you to ask for external permission to access distractions.
Most of these options have premium versions that remove the limits on lockable applications and add advanced security levels to make it virtually impossible to bypass the restriction without the correct key.
Whether using factory options from Samsung, Xiaomi, or Apple, or opting for external tools like AppLock or Freedom, today we have complete control over our devices. From encrypting personal files and using biometrics to strict modes for distraction-free studying, protecting privacy and time is easier than ever if we know which tool to choose for our needs.